
    <nz-cascader
      [nzLabelRender]="renderTpl"
      [nzOptions]="nzOptions"
      [(ngModel)]="values"
      (ngModelChange)="onChanges($event)">
    </nz-cascader>

    <ng-template #renderTpl let-labels="labels" let-selectedOptions="selectedOptions">
      <ng-container *ngFor="let label of labels; let i = index; let isLast = last">
        <span *ngIf="!isLast">{{label}} / </span>
        <span *ngIf="isLast">
          {{label}} (<a href="javascript:;" (click)="handleAreaClick($event, label, selectedOptions[i])"> {{selectedOptions[i].code}} </a>)
        </span>
      </ng-container>
    </ng-template>